38782540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19991}}^1$

素因数の和:20097

約数の個数: 24

約数和(自身を含む): 82287072

約数和(自身を除く): 43504532

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 19991, 39982, 79964, 99955, 199910, 399820, 1939127, 3878254, 7756508, 9695635, 19391270, 38782540]

約数ペア:

[(1, 38782540), (2, 19391270), (4, 9695635), (5, 7756508), (10, 3878254), (20, 1939127), (97, 399820), (194, 199910), (388, 99955), (485, 79964), (970, 39982), (1940, 19991)]